Thursday, December 22, 2011

The cloud waves

Still images have been making the rounds, but this is the first time I saw a video of this unusual cloud phenomenon that was sighted recently:

Massive 'cloud waves' roll over Alabama

And if you haven't seen them, here's what they are:

"Breaking waveforms of Kelvin-Helmholtz clouds are the result of shearing winds up at cloud level."

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